---
title: clusterTimeSynchronizationAttributeTimeSourceID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrattributeidtype/clustertimesynchronizationattributetimesourceid
---

# clusterTimeSynchronizationAttributeTimeSourceID

## Declaration

```swift
static var clusterTimeSynchronizationAttributeTimeSourceID: MTRAttributeIDType { get }
```